/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: WHY
 * Date: 2023-04-17
 * Time: 20:43
 */
abstract class Animal{
    abstract  void say();
}
public class Cat {
    public Cat(){
        System.out.println("I  am a  cat");
    }

    public static void main(String[] args) {
        Cat cat=new Cat();
    }
}
